Jeffrey Toobin explains the possible legal repercussions of a note by the Boston bombing suspect, Dzhokhar Tsarnaev, stating his motivation. He wrote the message on the inside of the boat where he was hiding in Watertown until he was captured, according to a law enforcement source. He expressed his and his brother's motivation for the attack, calling their actions payback for U.S. wars in Muslim lands. He labeled the victims collateral damage.